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1896879125 = 53172930781
BaseRepresentation
bin111000100010000…
…0001010000010101
311220012022102222102
41301010001100111
512341100113000
6512120411445
765002130561
oct16104012025
94805272872
101896879125
118938143a9
1244b316b85
13242cb01ab
1413dcd46a1
15b17e33d5
hex71101415

1896879125 has 32 divisors (see below), whose sum is σ = 2593075680. Its totient is φ = 1378944000.

The previous prime is 1896879113. The next prime is 1896879137. The reversal of 1896879125 is 5219786981.

It is an interprime number because it is at equal distance from previous prime (1896879113) and next prime (1896879137).

It can be written as a sum of positive squares in 16 ways, for example, as 1327436356 + 569442769 = 36434^2 + 23863^2 .

It is not a de Polignac number, because 1896879125 - 28 = 1896878869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46235 + ... + 77015.

It is an arithmetic number, because the mean of its divisors is an integer number (81033615).

Almost surely, 21896879125 is an apocalyptic number.

It is an amenable number.

1896879125 is a deficient number, since it is larger than the sum of its proper divisors (696196555).

1896879125 is a wasteful number, since it uses less digits than its factorization.

1896879125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30842 (or 30832 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 56.

The square root of 1896879125 is about 43553.1758313903. The cubic root of 1896879125 is about 1237.8838179575.

The spelling of 1896879125 in words is "one billion, eight hundred ninety-six million, eight hundred seventy-nine thousand, one hundred twenty-five".

Divisors: 1 5 17 25 29 85 125 145 425 493 725 2125 2465 3625 12325 30781 61625 153905 523277 769525 892649 2616385 3847625 4463245 13081925 15175033 22316225 65409625 75875165 111581125 379375825 1896879125